SELECT 'sqlserver' AS dbms_type_name,
       SERVERPROPERTY('ServerName') AS dbms_name,
       CONSTRAINT_CATALOG,
       CONSTRAINT_SCHEMA,
       CONSTRAINT_NAME,
       UNIQUE_CONSTRAINT_CATALOG,
       UNIQUE_CONSTRAINT_SCHEMA,
       UNIQUE_CONSTRAINT_NAME,
       MATCH_OPTION,
       UPDATE_RULE,
       DELETE_RULE
FROM INFORMATION_SCHEMA.REFERENTIAL_CONSTRAINTS
